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Bug #24054
closedkceph: umount on evicted client blocks forever
% Done:
0%
Source:
Q/A
Tags:
Backport:
mimic,luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
kceph
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
Failed test:
/ceph/teuthology-archive/pdonnell-2018-05-08_01:06:46-kcephfs-mimic-testing-basic-smithi/2494030/teuthology.log
I had to kick it with `umount -f` which failed but that apparently caused the other umount (by the test) to finish:
pdonnell@smithi027:~$ mount sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) udev on /dev type devtmpfs (rw,nosuid,relatime,size=16393392k,nr_inodes=4098348,mode=755) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=3281772k,mode=755) /dev/sda1 on / type ext4 (rw,relatime,errors=remount-ro) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev) tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k) tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755) cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd) pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio) cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct) cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb) hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M) debugfs on /sys/kernel/debug type debugfs (rw,relatime) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=31,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=16613) tracefs on /sys/kernel/debug/tracing type tracefs (rw,relatime) mqueue on /dev/mqueue type mqueue (rw,relatime) sunrpc on /run/rpc_pipefs type rpc_pipefs (rw,relatime) nfsd on /proc/fs/nfsd type nfsd (rw,relatime) fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime) configfs on /sys/kernel/config type configfs (rw,relatime) /dev/mapper/vg_nvme-lv_5 on /var/lib/ceph type xfs (rw,relatime,attr2,inode64,noquota) tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=3281772k,mode=700,uid=1000,gid=1186) 172.21.15.200:6789,172.21.15.8:6790,172.21.15.8:6789:/ on /home/ubuntu/cephtest/mnt.0 type ceph (rw,relatime,name=0,secret=<hidden>,acl) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime) tmpfs on /run/user/1159 type tmpfs (rw,nosuid,nodev,relatime,size=3281772k,mode=700,uid=1159,gid=1159) pdonnell@smithi027:~$ umount -f /home/ubuntu/cephtest/mnt.0 umount: only root can use "--force" option pdonnell@smithi027:~$ sudo !! sudo umount -f /home/ubuntu/cephtest/mnt.0 umount: /home/ubuntu/cephtest/mnt.0: target is busy (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1).) pdonnell@smithi027:~$ sudo umount -f /home/ubuntu/cephtest/mnt.0 umount: /home/ubuntu/cephtest/mnt.0: mountpoint not found
Fix should be similar to #10915.
Updated by Patrick Donnelly almost 6 years ago
- Due date set to 02/20/2015
- Start date changed from 05/08/2018 to 02/20/2015
- Follows Bug #10915: client: hangs on umount if it had an MDS session evicted added
Updated by Patrick Donnelly almost 6 years ago
- Status changed from New to Fix Under Review
- Backport set to luminous
Updated by Zheng Yan almost 6 years ago
- Status changed from Fix Under Review to Pending Backport
Updated by Nathan Cutler almost 6 years ago
- Copied to Backport #24188: luminous: kceph: umount on evicted client blocks forever added
Updated by Patrick Donnelly almost 6 years ago
- Backport changed from luminous to mimic,luminous
Updated by Patrick Donnelly almost 6 years ago
- Target version changed from v13.2.0 to v14.0.0
Updated by Nathan Cutler almost 6 years ago
- Copied to Backport #24254: mimic: kceph: umount on evicted client blocks forever added
Updated by Zheng Yan over 5 years ago
- Status changed from Pending Backport to Resolved
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